Seiko Cal. 5639 - 609

Seiko 5639-609

This Spring Drive model from 1976 features a 40mm Titanium case. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-4ba1812a9197]

Also known as: Silverwave

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
130m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1976

Related Models

seikata-wm-4ba1812a9197